64687538 (number)

64687538 is an even 8-digits composite number following 64687537 and preceding 64687539. In scientific notation, it is written as 6.4687538 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 32096740 positive integers (up to 64687538) that are relatively prime to 64687538.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred eighty-seven thousand five hundred thirty-eight

Notation

Scientific notation 6.4687538 × 10^7
Engineering notation 6.4687538 × 10^6

Prime Factorization of 64687538

Prime Factorization 2 × 131 × 246899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64687538
Product of the distinct prime numbers

The prime factorization of 64687538 is 2 × 131 × 246899. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 2, 95, 914, 525, 2189, 6177, 77152, 90547, 767940, 629486, 2289298, 1984691, 78614935, 15994253, 774876308, 795516659, 1754516539, 7500623862

Basic calculations (n = 64687538)

Multiplication

n×y
n×2 129375076
n×3 194062614
n×4 258750152
n×5 323437690

Division

n÷y
n÷2 32343769
n÷3 21562512.666667
n÷3 16171884.5
n÷5 12937507.6

Exponentiation

ny
n2 4184477572501444
n3 2.7068355198133E+23
n4 1.7509852554768E+31
n5 1.1326692525109E+39

Nth Root

y√n
2√n 8042.8563334179
3√n 401.42727201254
4√n 89.68197329128
5√n 36.489181732759

Divisors of 64687538

1, 2, 131, 262, 246899, 493798, 32343769, 64687538

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64687537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64687538 can be divided by 8 positive divisors. The sum of these divisors (counting 64687538) is 1, the average is 0.125.

Base conversion 64687538

Base System Value
2 Binary 11110110110000110110110010
3 Ternary 11111201110121202
4 Quaternary 3312300312302
5 Quinary 113030000123
6 Senary 10230251202
8 Octal 366606662
10 Decimal 64687538
12 Duodecimal 197b6b02
16 Hexadecimal 3db0db2
20 Vigesimal 1045igi
36 Base36 12ih82

Cryptographic Hash Functions

md5 3c6e0db61393c488f13254c020eed98b
sha1 181ee69d4acd341c7320452c4f480240a796c855
sha256 7d71b74eecf97ffd1ed61e4d2019d3f46fd3fbcbad60823aa763d37e931dcc59
sha512 da63bf3be5159817cf6f1207b01953197e81a4461e6de77b9406ac76cd393e02f6836a8aef2655884e9e1f271476ad3b5a8148204f3f164d850c4549d11505dd
ripemd-160 a85971d6d43b4a9654b12540a133ebf086228a61

64687538 as geometric shapes

Circle

Radius = n
Diameter 129375076
Circumference 406443788.31922
Area 1.3145924000882E+16

Sphere

Radius = n
Volume 1.1338366111362E+24
Surface area 5.2583696003527E+16
Circumference 406443788.31922

Square

Length = n
Perimeter 258750152
Area 4184477572501444
Diagonal 91481993.556125

Cube

Length = n
Surface area 25106865435008664
Volume 2.7068355198133E+23
Space diagonal 112042102.43254

Equilateral Triangle

Length = n
Perimeter 194062614
Area 1.8119319396762E+15
Altitude 56021051.216271

Triangular Pyramid

Length = n
Surface area 1.8119319396762E+15
Volume 3.1900362526944E+22
Height 30493997.852042